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Finding the Fourth Proportional to 71,068.36, 98,063.84 and 40,854.96

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Solution

The fourth proportional to 71,068.36, 98,063.84 and 40,854.96 is: 56,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,068.36 : 98,063.84 = 40,854.96 : x
  2. Step 2: Convert to fraction form
    71,068.36/98,063.84 = 40,854.96/x
  3. Step 3: Cross multiply
    71,068.36x = 98,063.84 × 40,854.96
  4. Step 4: Simplify right side
    71,068.36x = 4,006,394,260.65
  5. Step 5: Solve for x
    x = 4,006,394,260.65/71,068.36
  6. Step 6: Final answer
    x = 56,373.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.